diff options
Diffstat (limited to 'arch/um/kernel')
| -rw-r--r-- | arch/um/kernel/time.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index 8e8eb8ba04a4..80d33735cfd2 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -676,10 +676,8 @@ void read_persistent_clock64(struct timespec64 *ts) { long long nsecs; - if (time_travel_start_set) + if (time_travel_mode != TT_MODE_OFF) nsecs = time_travel_start + time_travel_time; - else if (time_travel_mode == TT_MODE_EXTERNAL) - nsecs = time_travel_ext_req(UM_TIMETRAVEL_GET_TOD, -1); else nsecs = os_persistent_clock_emulation(); @@ -689,6 +687,25 @@ void read_persistent_clock64(struct timespec64 *ts) void __init time_init(void) { +#ifdef CONFIG_UML_TIME_TRAVEL_SUPPORT + switch (time_travel_mode) { + case TT_MODE_EXTERNAL: + time_travel_start = time_travel_ext_req(UM_TIMETRAVEL_GET_TOD, -1); + /* controller gave us the *current* time, so adjust by that */ + time_travel_ext_get_time(); + time_travel_start -= time_travel_time; + break; + case TT_MODE_INFCPU: + case TT_MODE_BASIC: + if (!time_travel_start_set) + time_travel_start = os_persistent_clock_emulation(); + break; + case TT_MODE_OFF: + /* we just read the host clock with os_persistent_clock_emulation() */ + break; + } +#endif + timer_set_signal_handler(); late_time_init = um_timer_setup; } |